TomskGAZPROMgeofjzika Company Profjle { Logging while drilling { - - PowerPoint PPT Presentation

TomskGAZPROMgeofjzika

TomskGAZPROMgeofjzika Geophysical Services

We provide full range of well logging and mud logging op- erations, cement quality control, MWD and well engineering services throughout Western and Eastern Siberia. Over 15 years of top quality operation, we have been part of 150 projects, including construction engineering services for Vostok 1 and Vostok 3 super deep (more than 5000 m) strati- graphic wells in Tomsk region, and geological exploration services for Vankor oil fjeld in Krasnoyarsk region.

TomskGAZPROMgeofjzika

Company Profjle

{ Logging while drilling { Logging while drilling in horizontal wells { Well perforation { Well stimulation { Mud logging { Production logging for reservoir

management and well workover purposes

{ Downhole drilling telemetry for all well

types, including horizontal wells and sidetracks

TomskGAZPROMgeofjzika

Our operations bases and storage facilities are strategically located around Tomsk region:

Tie town of Kedrovy - Operations base and explosives storage Myldzhin gas condensate fjeld - Operations base and explosives storage Tie town of Strezhevoy - Operations base

TomskGAZPROMgeofjzika

We employ qualifjed personnel capable of running logs in both

• il and gas wells and performing full range of well servicing
• perations.

Of the 400 company employees, more than 70% hold univer- sity degrees in engineering and have extensive industry experi- ence. Tie core of the company is comprised of Tomsk Polytechnic University graduates majoring in Geophysical Exploration.

TomskGAZPROMgeofjzika

We provide the following solutions to our customers:

Technology

{ Early detection of oil/gas shows and lost circulation { Well deepening optimization { Optimum drilling mode selection and maintenance { Real-time detection of alarm conditions { Well conditioning and casing control { Well cementing control { Well steering

TomskGAZPROMgeofjzika

We provide the following solutions to our customers:

Geology and Geophysics

{ Optimization of G&G data acquisition techniques { Lithostratigraphic interpretation { Identifjcation of marker beds { Reservoir identifjcation and saturation interpretation { Well path and well integrity control

Modular logging tools are used for minimum well downtime.

TomskGAZPROMgeofjzika

We provide the following solutions to our customers:

Data Management

{ Data is acquired, processed and stored in databases ready

for further use

{ Data acquired is transferred to the customer in real time

TomskGAZPROMgeofjzika

In open hole:

{ Conventional logging, SP logging,

resistivity logging

{ Sidewall resistivity logging { Lateral logging { Induction logging { Micrologging, microcaliper logging,

microwave logging

{ Gamma and neutron logging { Caliper and profjle logging { High frequency induction logging { Density logging { Array sonic logging { Dip logging { Tiermal logging

Logging While Drilling

In cased hole:

{ Sonic cement bond logging { Density cement bond logging { Dip logging { Nuclear logging { Tiermal logging

TomskGAZPROMgeofjzika

LWD Techniques

Sidewall Resistivity Logging:

{ formation delineation { reservoir identifjcation { porosity determination { oil-gas saturation determination

Logs are run in each well for well-to-well correlation pur- poses, stratigraphic interpretation of the penetrated for- mations, identifjcation of permeable intervals.

Lateral Logging:

{ section stratifjcation, including delineation of thin beds { resistivity determination in brine-fjlled wells { resistivity determination in high-resistivity sections

TomskGAZPROMgeofjzika

SP (Spontaneous Potential)

{ section stratifjcation, reservoir identifjcation { formation evaluation { shale content determination { porosity determination

Mud Resistivity Logging

Mud resistivity data is used for laterolog interpretation.

Micrologging

{ reservoir identifjcation { detailed stratigraphic section interpretation, identifjcation of dense and permeable beds { NTG determination { fmushed zone resistivity determination { identifjcation of radial resistivity gradient

LWD Techniques

TomskGAZPROMgeofjzika

LWD Techniques

High Frequency Induction Logging

{ formation resistivity determination for oil/gas saturation

analysis Applicable in brine-fjlled wells. Applicable in vertical, deviated and horizontal wells.

TomskGAZPROMgeofjzika

LWD Techniques

Neutron and Gamma Logging

{ lithostratigraphic interpretation { well-to-well correlation { clay content determination { formation depth positioning { OGC determination { casing collar depth positioning { perforated interval identifjcation and depth positioning { bulk water content determination { rock gamma activity determination

TomskGAZPROMgeofjzika

LWD Techniques

Density Logging

{ rock bulk volume determination { lithological interpretation { porosity determination

Sonic Logging

{ lithological interpretation and rock elasticity determination { primary and secondary porosity determination { reservoir saturation determination (from sonic array logs) { fractured and vuggy reservoirs identifjcation { synthetic seismogram calculation and correlation with

seismic data

TomskGAZPROMgeofjzika

LWD Techniques

Caliper Logging

{ annular volume determination for more effjcient cement jobs { determination of optimum surface casing shoe and intermediate casing depth { determination of optimum drill stem testing interval { determination of wellbore diameter for laterolog and nuclear log interpretation

Dip Logging

{ determination of wellbore 3D position in open and cased hole { determination of wellbore section profjle with on-site printout { determination of cased well 3D position

TomskGAZPROMgeofjzika

LWD Techniques

Cement Bond Logging and Well Integrity Control

Applied in both conventional and complex geology envi- ronments requiring sue of lightweight and aerated cement slurry.

{ determination of TOC { determination of intervals cemented with various

slurries

{ determination of string eccentricity { determination of slurry density where it cannot be

measured by a densitometer

{ determination of casing wall thickness { locating collars, centralizers, special packers, etc.

TomskGAZPROMgeofjzika

Casing Integrity Control

MPD logging with wall thickness test in one tool trip. Does not require production string removal or any other special well preparation.

Horizontal Well Logging

{ suffjcient information on reservoir properties and

saturation is acquired in one trip

LWD Techniques

TomskGAZPROMgeofjzika

Mud Logging

Performed with RAZREZ 2 Mud Logging Unit, including:

{ drilling monitoring station { gas analysis unit { geological module { cementing monitoring module { communication facilities for real-time data

transfer

Mud Logging

TomskGAZPROMgeofjzika

Driller's control Drill rig Set of transmitters Client's technological service Kedr-02 station  Depth  Tripping speed  Weight indicator Advanced mud logging unit (System for data acquisition and processing) Gas analysis unit  HC fractional analysis  Percentage composition  Gas analyzer  Max. limit of flammable gas Geological module  Cuttings log  Cuttings fractional composition  Luminescent-bitumenological analysis  Lithologic and stratigraphic layering Cementing monitoring unit  Slurry flow rate  Slurry density  Pressure in flowlines  Slurry temperature MWD System Station  Zenith  Azimuth Monitoring and interpretation crew Internet Customer's

• ffice

Data exchange

TomskGAZPROMgeofjzika

Advanced Mud Logging Unit

{ automatically acquires, processes,

displays, records and interprets geological and technological data while drilling vertical, deviated and horizontal oil/gas wells

{ gives recommendations to customer’s

Technological Service regarding

• ptimum drilling modes, bit run, etc.

{ stores and visualizes about 200

measured and calculated properties

Mud Logging

TomskGAZPROMgeofjzika

Gas Analysis Unit

{ performs mud logging through

continuous automated HC content control while drilling

{ increases operations safety due to

early gas show control system and toxic gas alert system From mud logging data, potential pays can be identifjed and formation satura- tion can be evaluated.

Mud Logging

TomskGAZPROMgeofjzika

Mud Logging

Geological Module

{ provides reliable geological information on

drilling cuttings and cores

{ evaluates oil saturation { carries a microimaging unit storing sample

images in a database

TomskGAZPROMgeofjzika

Real-time Cementing Monitoring Module

{ independent operation monitoring enhances quality

and safety of cement jobs

{ provides continuous control of technological

• perations, slurry parameters, slurry pumping rates,

pressure in fmowlines, warning the operator if any of the design parameters are breached Tie module is 100% compatible with RAZREZ 2 unit and can be used both as part of a mud logging station and as a stand-alone tool.

Mud Logging

TomskGAZPROMgeofjzika

Mud Logging

Communication Facilities

{ allow remote monitoring of drilling operations through

real-time information transfer from drillsite to customer’s management Reliable, immediate, well-organized information. Information is server-based and accessible any time.

TomskGAZPROMgeofjzika

Geological Interpretation Service

{ performs prompt interpretation of well and mud logs { facilitates customer’s ability to manage fjeld development and operation { interprets well testing data { digitalizes and edits archive hard copies for further reinterpretation

TomskGAZPROMgeofjzika

Геолого-интерпретационная служба (ГИС)

Test Survey Crew

{ tests and implements new sofuware { communicates with sofuware development

teams

{ develops well logging operating

instructions

{ fjne-tunes sofuware for new fjelds based on

petrophysical models

TomskGAZPROMgeofjzika

Downhole Drilling Telemetry

Downhole drilling telemetric systems allow for precise well steering according to the design without extra measurements. We provide both telemetric and engineering support. All telemetric systems used are designed for turborotary drilling, with better ROP and lower accident risks.

{ electromagnetic telemetric system SIB 2 provides

higher data rates

{ hydraulic telemetric system Sperisan allows for

deep drilling unafgected by electromagnetic noise

TomskGAZPROMgeofjzika

Field Development Monitoring

We ofger well logging and testing services addressing geo- logical and technical issues emerging on various fjeld de- velopment stages.

Common Operations

{ to determine infmow profjles in fmowing oil wells { to determine infmow profjles in gas and gas condensate

wells

{ to determine infmow profjles and water sources in oil and

gas wells

{ to determine phase composition of a fmuid in the

wellbore

TomskGAZPROMgeofjzika

Field Development Monitoring

Common Operations

{ to determine infmow profjles and water sources in swabbed or compressor-stimulated wells { to determine injectivity profjles, casing leaks and circulation behind pipe in injection wells { to determine downhole equipment sitting depth and monitor perforation jobs { to determine current GLC, GOC, OWC { to locate damaged/corroded sections of production string and tubing, and to determine

cause of damage

{ to run well tests, determine reservoir properties and bottomhole and reservoir pressure

TomskGAZPROMgeofjzika

Well Perforation

We ofger well perforation services in vertical, deviated and hor- izontal oil/gas wells. We also ofger shooting services in case of stuck pipe, or for fjshing/salvage operations. We use only certifjed perforating systems produced by major manufacturers such as BashVzryvTechnologiya and Promper- forator.

TomskGAZPROMgeofjzika

Nord Imperial Alyansnefuegaz SGK-Bureniye BSK Grand Podzemburgaz SN-Gazdobycha Agan-Bureniye RusImperial Group

Our customers are:

Tomskgazprom Gazpromnefu-Vostok Tosmknefu VNK Siberian Service Company

TomskGAZPROMgeofjzika

Fore more information on business

• pportunities please call (3822) 52-37-10.

Vladimir Izotov, General Director Pavel Kazantsev, Executive Director Valery Adam, Chief Geologist

(3822)52-37-11+1008

Aleksandr Beryoza, Chief Engineer

(3822)52-37-11+1002

e-mail: office@tggf.ru.ru